Callistemon subulatus


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One of the hardiest Bottlebrushes to 10F with the added benefit of having red flowers. In growth, this this tends to have graceful arching branches which softens what can sometimes be a rigid look to Callistemon. Not that that is a bad thing but this looks a bit more cuddly. This grows on stream banks in Australia and can take quite wet spots but is also tolerant of dry. Deer proof!


Plant Type

  • Shrub

Mature Size


Hardiness Zones

  • Zone 8a (10 °F)
  • Zone 8b (15 °F)
  • Zone 9a (20 °F)
  • Zone 9b (25 °F)
  • Zone 10 (30 °F)

Sun Exposure

  • Full Sun

Water Needs

  • Dry
  • Moderate
  • Moist
  • Wet

Bloom Time

  • Spring
  • Summer